Organic carbon,inorganic carbon,temperature,p H and ORP are all to have a certain influence on the anaerobic ammonia oxidation reaction.We can draw some conclusions on the optimum conditions of anaerobic ammonia oxida...Organic carbon,inorganic carbon,temperature,p H and ORP are all to have a certain influence on the anaerobic ammonia oxidation reaction.We can draw some conclusions on the optimum conditions of anaerobic ammonia oxidation reaction.The optimum temperature of the anaerobic ammonia oxidation reaction is 30-35℃.And the optimum p H of the anaerobic ammonia reaction is 7.5-8.3.The presence of organic matters can affect the anaerobic ammonia reaction,and different organic matters have different influence on it.The concentration of the inorganic carbon also exist great influence on the reaction.High inorganic carbon concentration also can inhibit anaerobic ammonia oxidation reaction.展开更多
In this paper,the recent progress of simultaneous removal of SO_2 and NO_x process at home and abroad is reviewed.We mainly introduced calcium based absorbent catalytic oxidation method,complexation absorption process...In this paper,the recent progress of simultaneous removal of SO_2 and NO_x process at home and abroad is reviewed.We mainly introduced calcium based absorbent catalytic oxidation method,complexation absorption process,Electron beam method et al,principle of each technology are described,and the development direction was put forward in the future.展开更多
In recent years,with the influenced by both man-made and natural factors.coastal wetlands sharp decline in the area,lack of resources,biological diversity declined,and the ecosystem function damaged.Through on current...In recent years,with the influenced by both man-made and natural factors.coastal wetlands sharp decline in the area,lack of resources,biological diversity declined,and the ecosystem function damaged.Through on current issues such as pollution and destruction of coastal wetlands analysis of coastal wetlands in research conducted a review and prospect of ecological restoration.So the protection and restoration of coastal wetlands should be brook no delay.The article based on the current pollution and destruction of the coastal wetlands analyses,and reviewed the current effective measures to restore coastal wetlands mainly in china and abroad.展开更多
The research progress on the current domestic and foreign about river water system of the greenhouse gas methane(CH4),and nitrous oxide(N2O)generation,transmission and release mechanism are reviewed in this paper.At p...The research progress on the current domestic and foreign about river water system of the greenhouse gas methane(CH4),and nitrous oxide(N2O)generation,transmission and release mechanism are reviewed in this paper.At present,at home and abroad of river water system of methane production and release of the driving factors and mechanism has been basically clear,but the N2O production mechanism is not clear,multi factor interaction of river water system of N2O production and release of complex,in different regions and time of result differences.The calculation of water flux of N2O river discharge coefficient of river IPCC released based on N2O,the release amount may underestimate the river water N2O.展开更多
文摘Organic carbon,inorganic carbon,temperature,p H and ORP are all to have a certain influence on the anaerobic ammonia oxidation reaction.We can draw some conclusions on the optimum conditions of anaerobic ammonia oxidation reaction.The optimum temperature of the anaerobic ammonia oxidation reaction is 30-35℃.And the optimum p H of the anaerobic ammonia reaction is 7.5-8.3.The presence of organic matters can affect the anaerobic ammonia reaction,and different organic matters have different influence on it.The concentration of the inorganic carbon also exist great influence on the reaction.High inorganic carbon concentration also can inhibit anaerobic ammonia oxidation reaction.
文摘In this paper,the recent progress of simultaneous removal of SO_2 and NO_x process at home and abroad is reviewed.We mainly introduced calcium based absorbent catalytic oxidation method,complexation absorption process,Electron beam method et al,principle of each technology are described,and the development direction was put forward in the future.
文摘In recent years,with the influenced by both man-made and natural factors.coastal wetlands sharp decline in the area,lack of resources,biological diversity declined,and the ecosystem function damaged.Through on current issues such as pollution and destruction of coastal wetlands analysis of coastal wetlands in research conducted a review and prospect of ecological restoration.So the protection and restoration of coastal wetlands should be brook no delay.The article based on the current pollution and destruction of the coastal wetlands analyses,and reviewed the current effective measures to restore coastal wetlands mainly in china and abroad.
文摘The research progress on the current domestic and foreign about river water system of the greenhouse gas methane(CH4),and nitrous oxide(N2O)generation,transmission and release mechanism are reviewed in this paper.At present,at home and abroad of river water system of methane production and release of the driving factors and mechanism has been basically clear,but the N2O production mechanism is not clear,multi factor interaction of river water system of N2O production and release of complex,in different regions and time of result differences.The calculation of water flux of N2O river discharge coefficient of river IPCC released based on N2O,the release amount may underestimate the river water N2O.